Best PSA Grade for Onix #56

Underval analyzed every tracked PSA grade for Onix #56 from Base Set 1st Edition using historical sales data to identify the current top-ranked grade based on historical market characteristics. Scroll down to see which grade ranks the best.
Onix #56 Pokémon card

Current Top-Ranked Grade

Based on Underval’s grade comparison model for Onix #56.

Top-Ranked PSA Grade
PSA 9.0
Overall data score: 74/100
Fair Value
$133
Annual Growth
69.5%
Avg Days to Sale
24
Years Tracked
3
Sales Tracked
48

Why PSA 9.0 ranks highest

Based on Underval's historical market data, PSA 9.0 currently ranks highest based on its overall balance of long-term performance and market activity for Onix #56 from Base Set 1st Edition. With an estimated fair value of $133, annual growth of 69.5% (inflation adjusted), approximately 24 days between sales , over 3 years of historical data, and 48 tracked sales, this grade currently ranks highest across Underval's historical grading model. This ranking is intended for research and educational purposes only and should not be interpreted as financial or investment advice.

See How Every Grade Compares

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Best Grade Analysis for Onix #56

What is the top-ranked PSA grade for Onix #56?

Based on Underval’s historical sales model, PSA 9.0 currently ranks highest within Underval's historical grading model for Onix #56 from Base Set 1st Edition. The ranking considers growth, liquidity, years tracked, confidence, correlation, and recent sales activity.

Is this a recommendation to buy PSA 9.0?

No. This page is informational only. Underval does not provide financial advice or personalized buying recommendations. The grade shown is a data-based ranking from historical sales activity.

What is the estimated fair value for Onix #56 PSA 9.0?

The current estimated fair value is $133. Fair value is an informational estimate based on sales data, not an offer.

How liquid is Onix #56 PSA 9.0?

Sales data shows this grade has historically sold about every 24 days on average.

How can I compare the other PSA grades?

Create a free Underval account to compare every tracked PSA grade for Onix #56, including fair value, growth, liquidity, confidence, recent sales, and active listings.

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